SURI vs. AIPI

Last updated Apr 1, 2026

Compare and contrast key facts about Simplify Propel Opportunities ETF (SURI) and REX AI Equity Premium Income ETF (AIPI).

SURI and AIPI are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SURI is an actively managed fund by Simplify. It was launched on Feb 7, 2023. AIPI is an actively managed fund by REX. It was launched on Jun 3, 2024.

Performance

SURI vs. AIPI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Simplify Propel Opportunities ETF (SURI) and REX AI Equity Premium Income ETF (AIPI). The values are adjusted to include any dividend payments, if applicable.

SURI vs. AIPI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SURI Simplify Propel Opportunities ETF	-2.66%	28.32%	-22.64%
AIPI REX AI Equity Premium Income ETF	-8.25%	16.38%	15.36%

Returns By Period

In the year-to-date period, SURI achieves a -2.66% return, which is significantly higher than AIPI's -8.25% return.

SURI

• 1D: 2.27%
• 1M: -6.14%
• YTD: -2.66%
• 6M: 8.30%
• 1Y: 19.80%
• 3Y*: 7.84%
• 5Y*: —
• 10Y*: —

AIPI

• 1D: 3.68%
• 1M: -1.99%
• YTD: -8.25%
• 6M: -4.55%
• 1Y: 19.01%
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

SURI vs. AIPI - Expense Ratio Comparison

SURI has a 2.51% expense ratio, which is higher than AIPI's 0.65% expense ratio.

SURI

Simplify Propel Opportunities ETF

AIPI

REX AI Equity Premium Income ETF

Return for Risk

SURI vs. AIPI — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SURI

SURI Risk / Return Rank: 40
SURI Sharpe Ratio Rank: 41
SURI Sortino Ratio Rank: 43
SURI Omega Ratio Rank: 38
SURI Calmar Ratio Rank: 39
SURI Martin Ratio Rank: 36

AIPI

AIPI Risk / Return Rank: 52
AIPI Sharpe Ratio Rank: 52
AIPI Sortino Ratio Rank: 53
AIPI Omega Ratio Rank: 56
AIPI Calmar Ratio Rank: 55
AIPI Martin Ratio Rank: 45

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SURI vs. AIPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Simplify Propel Opportunities ETF (SURI) and REX AI Equity Premium Income ETF (AIPI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	SURI	AIPI	Difference
Sharpe ratio Return per unit of total volatility	0.76	0.87	-0.11
Sortino ratio Return per unit of downside risk	1.19	1.31	-0.12
Omega ratio Gain probability vs. loss probability	1.15	1.20	-0.05
Calmar ratio Return relative to maximum drawdown	0.99	1.28	-0.29
Martin ratio Return relative to average drawdown	3.33	4.07	-0.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SURI vs. AIPI - Sharpe Ratio Comparison

The current SURI Sharpe Ratio is 0.76, which is comparable to the AIPI Sharpe Ratio of 0.87. The chart below compares the historical Sharpe Ratios of SURI and AIPI, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	SURI	AIPI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.76	0.87	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.06	0.56	-0.50

Correlation

The correlation between SURI and AIPI is 0.42, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

SURI vs. AIPI - Dividend Comparison

SURI's dividend yield for the trailing twelve months is around 17.49%, less than AIPI's 42.49% yield.

	TTM	2025	2024	2023
SURI Simplify Propel Opportunities ETF	17.49%	16.31%	21.41%	14.71%
AIPI REX AI Equity Premium Income ETF	42.49%	37.84%	18.13%	0.00%

Drawdowns

SURI vs. AIPI - Drawdown Comparison

The maximum SURI drawdown since its inception was -47.76%, which is greater than AIPI's maximum drawdown of -25.25%. Use the drawdown chart below to compare losses from any high point for SURI and AIPI.

Drawdown Indicators

	SURI	AIPI	Difference
Max Drawdown Largest peak-to-trough decline	-47.76%	-25.25%	-22.51%
Max Drawdown (1Y) Largest decline over 1 year	-16.94%	-14.40%	-2.54%
Current Drawdown Current decline from peak	-24.28%	-11.25%	-13.03%
Average Drawdown Average peak-to-trough decline	-17.42%	-4.79%	-12.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.18%	4.53%	+0.65%

Volatility

SURI vs. AIPI - Volatility Comparison

Simplify Propel Opportunities ETF (SURI) and REX AI Equity Premium Income ETF (AIPI) have volatilities of 7.04% and 7.38%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SURI	AIPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.04%	7.38%	-0.34%
Volatility (6M) Calculated over the trailing 6-month period	16.73%	13.60%	+3.13%
Volatility (1Y) Calculated over the trailing 1-year period	26.36%	21.91%	+4.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.62%	21.98%	+6.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.62%	21.98%	+6.64%